21 (土)	11:50	05:27	23:47	17:51
	151cm	39cm	154cm	51cm
中潮 出 06:05 入 18:17 出 08:56 入 20:13

八幡（福岡）2058年09月21日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
9/21 00:00	149.4	↓-1.5
9/21 00:10	147.3	↓-2.1
9/21 00:20	144.8	↓-2.5
9/21 00:30	141.9	↓-2.9
9/21 00:40	138.6	↓-3.3
9/21 00:50	134.9	↓-3.7
9/21 01:00	130.8	↓-4.1
9/21 01:10	126.4	↓-4.4
9/21 01:20	121.8	↓-4.6
9/21 01:30	116.9	↓-4.9
9/21 01:40	111.9	↓-5.0
9/21 01:50	106.7	↓-5.2	最大潮位差
9/21 02:00	101.5	↓-5.2	最大潮位差
9/21 02:10	96.3	↓-5.2	最大潮位差
9/21 02:20	91.1	↓-5.2	最大潮位差
9/21 02:30	86.0	↓-5.1
9/21 02:40	81.1	↓-4.9
9/21 02:50	76.3	↓-4.8
9/21 03:00	71.7	↓-4.6
9/21 03:10	67.4	↓-4.3
9/21 03:20	63.3	↓-4.1
9/21 03:30	59.5	↓-3.8
9/21 03:40	56.0	↓-3.5
9/21 03:50	52.8	↓-3.2
9/21 04:00	49.9	↓-2.9
9/21 04:10	47.3	↓-2.6
9/21 04:20	45.1	↓-2.2
9/21 04:30	43.1	↓-2.0
9/21 04:40	41.5	↓-1.6
9/21 04:50	40.2	↓-1.3
9/21 05:00	39.2	↓-1.0
9/21 05:10	38.5	↓-0.7
9/21 05:20	38.1	↓-0.4	干潮
9/21 05:30	38.1	0
9/21 05:40	38.4	↑0.3
9/21 05:50	39.0	↑0.6
9/21 06:00	39.9	↑0.9
9/21 06:10	41.2	↑1.3
9/21 06:20	42.8	↑1.6
9/21 06:30	44.8	↑2.0
9/21 06:40	47.1	↑2.3
9/21 06:50	49.7	↑2.6
9/21 07:00	52.6	↑2.9
9/21 07:10	55.8	↑3.2
9/21 07:20	59.3	↑3.5
9/21 07:30	63.1	↑3.8
9/21 07:40	67.1	↑4.0
9/21 07:50	71.3	↑4.2
9/21 08:00	75.7	↑4.4
9/21 08:10	80.2	↑4.5
9/21 08:20	84.9	↑4.7
9/21 08:30	89.6	↑4.7
9/21 08:40	94.3	↑4.7
9/21 08:50	99.0	↑4.7
9/21 09:00	103.6	↑4.6
9/21 09:10	108.2	↑4.6
9/21 09:20	112.7	↑4.5
9/21 09:30	117.0	↑4.3
9/21 09:40	121.2	↑4.2
9/21 09:50	125.2	↑4.0
9/21 10:00	128.9	↑3.7
9/21 10:10	132.5	↑3.6
9/21 10:20	135.7	↑3.2
9/21 10:30	138.7	↑3.0
9/21 10:40	141.4	↑2.7
9/21 10:50	143.8	↑2.4
9/21 11:00	145.8	↑2.0
9/21 11:10	147.5	↑1.7
9/21 11:20	148.9	↑1.4
9/21 11:30	149.8	↑0.9
9/21 11:40	150.4	↑0.6	満潮
9/21 11:50	150.6	↑0.2	満潮
9/21 12:00	150.3	↓-0.3
9/21 12:10	149.7	↓-0.6
9/21 12:20	148.6	↓-1.1
9/21 12:30	147.2	↓-1.4
9/21 12:40	145.3	↓-1.9
9/21 12:50	143.0	↓-2.3
9/21 13:00	140.4	↓-2.6
9/21 13:10	137.4	↓-3.0
9/21 13:20	134.1	↓-3.3
9/21 13:30	130.5	↓-3.6
9/21 13:40	126.6	↓-3.9
9/21 13:50	122.5	↓-4.1
9/21 14:00	118.2	↓-4.3
9/21 14:10	113.8	↓-4.4
9/21 14:20	109.3	↓-4.5
9/21 14:30	104.8	↓-4.5
9/21 14:40	100.2	↓-4.6
9/21 14:50	95.7	↓-4.5
9/21 15:00	91.3	↓-4.4
9/21 15:10	87.1	↓-4.2
9/21 15:20	82.9	↓-4.2
9/21 15:30	79.0	↓-3.9
9/21 15:40	75.2	↓-3.8
9/21 15:50	71.7	↓-3.5
9/21 16:00	68.4	↓-3.3
9/21 16:10	65.3	↓-3.1
9/21 16:20	62.5	↓-2.8
9/21 16:30	60.0	↓-2.5
9/21 16:40	57.7	↓-2.3
9/21 16:50	55.8	↓-1.9
9/21 17:00	54.1	↓-1.7
9/21 17:10	52.7	↓-1.4
9/21 17:20	51.6	↓-1.1
9/21 17:30	50.8	↓-0.8
9/21 17:40	50.3	↓-0.5
9/21 17:50	50.1	↓-0.2	干潮
9/21 18:00	50.3	↑0.2
9/21 18:10	50.8	↑0.5
9/21 18:20	51.6	↑0.8
9/21 18:30	52.8	↑1.2
9/21 18:40	54.3	↑1.5
9/21 18:50	56.2	↑1.9
9/21 19:00	58.4	↑2.2
9/21 19:10	61.0	↑2.6
9/21 19:20	63.9	↑2.9
9/21 19:30	67.1	↑3.2
9/21 19:40	70.6	↑3.5
9/21 19:50	74.4	↑3.8
9/21 20:00	78.4	↑4.0
9/21 20:10	82.6	↑4.2
9/21 20:20	87.0	↑4.4
9/21 20:30	91.6	↑4.6
9/21 20:40	96.2	↑4.6
9/21 20:50	100.9	↑4.7
9/21 21:00	105.6	↑4.7
9/21 21:10	110.2	↑4.6
9/21 21:20	114.8	↑4.6
9/21 21:30	119.3	↑4.5
9/21 21:40	123.6	↑4.3
9/21 21:50	127.7	↑4.1
9/21 22:00	131.6	↑3.9
9/21 22:10	135.2	↑3.6
9/21 22:20	138.6	↑3.4
9/21 22:30	141.7	↑3.1
9/21 22:40	144.4	↑2.7
9/21 22:50	146.8	↑2.4
9/21 23:00	148.9	↑2.1
9/21 23:10	150.5	↑1.6
9/21 23:20	151.8	↑1.3
9/21 23:30	152.7	↑0.9
9/21 23:40	153.1	↑0.4	満潮
9/21 23:50	153.1	0